﻿//
// DummyNetworkStream.cs
//
// Author: Jeffrey Stedfast <jestedfa@microsoft.com>
//
// Copyright (c) 2013-2025 .NET Foundation and Contributors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//


namespace UnitTests.Net {
	public class DummyNetworkStream : MemoryStream
	{
		readonly bool throwOnWrite;

		public DummyNetworkStream (bool throwOnWrite = false)
		{
			this.throwOnWrite = throwOnWrite;
		}

		public override bool CanSeek => false;
		public override bool CanTimeout => true;

		public override int ReadTimeout { get; set; }
		public override int WriteTimeout { get; set; }

		public override void Write (byte[] buffer, int offset, int count)
		{
			if (throwOnWrite)
				throw new IOException ();

			base.Write (buffer, offset, count);
		}

		public override Task WriteAsync (byte[] buffer, int offset, int count, CancellationToken cancellationToken)
		{
			if (throwOnWrite)
				throw new IOException ();

			return base.WriteAsync (buffer, offset, count, cancellationToken);
		}
	}
}
